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Finding the Fourth Proportional to 29,525.75, 40,747.16 and 16,951.31

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Solution

The fourth proportional to 29,525.75, 40,747.16 and 16,951.31 is: 23,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,525.75 : 40,747.16 = 16,951.31 : x
  2. Step 2: Convert to fraction form
    29,525.75/40,747.16 = 16,951.31/x
  3. Step 3: Cross multiply
    29,525.75x = 40,747.16 × 16,951.31
  4. Step 4: Simplify right side
    29,525.75x = 690,717,656.02
  5. Step 5: Solve for x
    x = 690,717,656.02/29,525.75
  6. Step 6: Final answer
    x = 23,393.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.